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Home / CMSE (Electricity Sector Monitoring Committee)

Tags CMSE (Electricity Sector Monitoring Committee)

SIN closes February with 59% water storage and improved rainfall in strategic basins.
  • Marco 6, 2026

SIN closes February with 59% water storage and improved rainfall in strategic basins.

The Northeast presents a more favorable scenario, with projected storage levels exceeding 80%.
SIN closes February with 59% water storage and improved rainfall in strategic basins.
  • News

SIN closes February with 59% water storage and improved rainfall in strategic basins.

The Northeast presents a more favorable scenario, with projected storage levels exceeding 80%.
PLD (Price of Liquidation of Differences) did not fall during the wet season: what does this reveal about the free market?
  • Marco 2, 2026

PLD (Price of Liquidation of Differences) did not fall during the wet season: what does this reveal about the free market?

Insufficient rainfall and a conservative approach kept marginal costs high.
PLD (Price of Liquidation of Differences) did not fall during the wet season: what does this reveal about the free market?
  • Opinion Article

PLD (Price of Liquidation of Differences) did not fall during the wet season: what does this reveal about the free market?

Insufficient rainfall and a conservative approach kept marginal costs high.
Canal Solar - ONS projects below-average rainfall and maintains alert for SIN reservoirs.
  • February 16, 2026

ONS projects below-average rainfall and remains vigilant regarding the SIN (National Interconnected System).

The operator is maintaining heightened monitoring in light of an unfavorable hydrological scenario and the risk of reduced water storage.
Canal Solar - ONS projects below-average rainfall and maintains alert for SIN reservoirs.
  • Market & Investments

ONS projects below-average rainfall and remains vigilant regarding the SIN (National Interconnected System).

The operator is maintaining heightened monitoring in light of an unfavorable hydrological scenario and the risk of reduced water storage.
CMSE reinforces preventive actions in response to below-average rainfall.
  • 15 Janeiro, 2026

CMSE reinforces preventive actions in response to below-average rainfall.

Committee defines strategies to preserve energy supply and ensure security for the National Interconnected System (SIN).
CMSE reinforces preventive actions in response to below-average rainfall.
  • News

CMSE reinforces preventive actions in response to below-average rainfall.

Committee defines strategies to preserve energy supply and ensure security for the National Interconnected System (SIN).
ANEEL approved all concession renewals for distributors analyzed in 2025.
  • November 12, 2025

ONS projects water storage levels 25% below 2025 levels in an unfavorable scenario.

Projections for the end of the dry season indicate a need for additional thermal power generation and close monitoring of rainfall.
ANEEL approved all concession renewals for distributors analyzed in 2025.
  • News

ONS projects water storage levels 25% below 2025 levels in an unfavorable scenario.

Projections for the end of the dry season indicate a need for additional thermal power generation and close monitoring of rainfall.
Canal Solar - CMSE states that the rainy season should reinforce energy security in Brazil.
  • November 6, 2025

CMSE states that the rainy season should reinforce energy security in Brazil.

Even so, the committee says it will monitor the system's behavior to guarantee the country's energy supply. 
Canal Solar - CMSE states that the rainy season should reinforce energy security in Brazil.
  • News

CMSE states that the rainy season should reinforce energy security in Brazil.

Even so, the committee says it will monitor the system's behavior to guarantee the country's energy supply. 
The electrical system may depend more on thermal power plants in early 2026
  • September 16, 2025

The electrical system may depend more on thermal power plants in early 2026

ONS highlights potential risks and recommends maximizing the use of Itaipu and São Francisco, in addition to preserving water resources in Paraná.
The electrical system may depend more on thermal power plants in early 2026
  • News

The electrical system may depend more on thermal power plants in early 2026

ONS highlights potential risks and recommends maximizing the use of Itaipu and São Francisco, in addition to preserving water resources in Paraná.
Canal Solar - Security of supply in the electricity sector Normative Resolution is published
  • July 28, 2025

Security of supply in the electricity sector: Normative Resolution is published

Standard defines guidelines for technical decisions that impact prices, physical guarantees and system operation
Canal Solar - Security of supply in the electricity sector Normative Resolution is published
  • Opinion Article

Security of supply in the electricity sector: Normative Resolution is published

Standard defines guidelines for technical decisions that impact prices, physical guarantees and system operation
  • May 16, 2025

CMSE will bring forward thermal plants to strengthen energy security

The Committee also requested that the ONS take appropriate measures to reduce the flow of hydroelectric plants in the South region.
  • News

CMSE will bring forward thermal plants to strengthen energy security

The Committee also requested that the ONS take appropriate measures to reduce the flow of hydroelectric plants in the South region.
  • April 14

CMSE opens consultation on work plan to reduce curtailment

Contributions must be sent by April 25; the objective is to expand the energy exchange limits between the Northeast and Southeast regions
  • Politics & Regulation

CMSE opens consultation on work plan to reduce curtailment

Contributions must be sent by April 25; the objective is to expand the energy exchange limits between the Northeast and Southeast regions
ONS has until June to present a study to reduce generation cuts
  • April 10

ONS has until June to present a study to reduce generation cuts

Decision was approved during the 304th Ordinary Meeting of the Electricity Sector Monitoring Committee
ONS has until June to present a study to reduce generation cuts
  • News

ONS has until June to present a study to reduce generation cuts

Decision was approved during the 304th Ordinary Meeting of the Electricity Sector Monitoring Committee
ONS must intensify use of thermal plants to meet maximum demand
  • October 11, 2024

ONS must intensify use of thermal plants to meet maximum demand

CMSE recommended that ANP take the necessary measures to guarantee the gas supply
ONS must intensify use of thermal plants to meet maximum demand
  • News

ONS must intensify use of thermal plants to meet maximum demand

CMSE recommended that ANP take the necessary measures to guarantee the gas supply
Resumption of daylight saving time will be decided within 10 days, says MME minister
  • September 20, 2024

Resumption of daylight saving time will be decided within 10 days, says MME minister

Silveira said he was not convinced about the return of the measure and that more technical studies were needed.
Resumption of daylight saving time will be decided within 10 days, says MME minister
  • News

Resumption of daylight saving time will be decided within 10 days, says MME minister

Silveira said he was not convinced about the return of the measure and that more technical studies were needed.
CMSE approves preventive measures to meet energy demand
  • September 5, 2024

CMSE approves preventive measures to meet energy demand

ONS wants to dispatch the Porto de Sergipe, Santa Cruz and Linhares UTEs, with the aim of optimizing the SIN's operational costs
CMSE approves preventive measures to meet energy demand
  • News

CMSE approves preventive measures to meet energy demand

ONS wants to dispatch the Porto de Sergipe, Santa Cruz and Linhares UTEs, with the aim of optimizing the SIN's operational costs
ONS presents measures for operation during the dry period
  • August 14 2024

ONS presents measures for operation during the dry period

Operator recommended additional preventive actions to maintain hydroelectric plant levels
ONS presents measures for operation during the dry period
  • News

ONS presents measures for operation during the dry period

Operator recommended additional preventive actions to maintain hydroelectric plant levels
CMSE measures guarantee SIN energy supply
  • August 8 2024

CMSE adopts measures to guarantee energy supply in the SIN

Condition of hydroelectric plants in the North region is a point of attention
CMSE measures guarantee SIN energy supply
  • News

CMSE adopts measures to guarantee energy supply in the SIN

Condition of hydroelectric plants in the North region is a point of attention
Canal-Solar-Energy-Storage-Level-in-the-Country-and-the-Best-Since-2009.jpg
  • November 10, 2023

Level of energy storage in the country is the best since 2009

Brazil ends dry period with 68% of water in the reservoirs of the National Interconnected System hydroelectric plants
Canal-Solar-Energy-Storage-Level-in-the-Country-and-the-Best-Since-2009.jpg
  • Market & Investments

Level of energy storage in the country is the best since 2009

Brazil ends dry period with 68% of water in the reservoirs of the National Interconnected System hydroelectric plants
10-08-23-canal-solar-Export of electrical energy to neighboring countries raised R$750 million in 2023
  • August 10 2023

Electric energy exports to neighboring countries raised R$750 million in 2023

Only with exports from hydroelectric surpluses were around 880 MWmed, points out CMSE
10-08-23-canal-solar-Export of electrical energy to neighboring countries raised R$750 million in 2023
  • News

Electric energy exports to neighboring countries raised R$750 million in 2023

Only with exports from hydroelectric surpluses were around 880 MWmed, points out CMSE
07-07-23-canal-solar-Brazil records best hydroelectric reservoir levels in the last 20 years
  • July 7, 2023

Brazil records best hydroelectric reservoir levels in the last 20 years

The expectation is to reach the fourth best storage in history at the end of December for the SIN, points out CMSE
07-07-23-canal-solar-Brazil records best hydroelectric reservoir levels in the last 20 years
  • News

Brazil records best hydroelectric reservoir levels in the last 20 years

The expectation is to reach the fourth best storage in history at the end of December for the SIN, points out CMSE
Canal-Solar-Solar-breaks-new-energy-generation-record-in-June.jpg
  • June 16, 2023

Solar energy breaks energy generation record in June

On June 2, the source reached an average daily value of 5.444 MWmed
Canal-Solar-Solar-breaks-new-energy-generation-record-in-June.jpg
  • News

Solar energy breaks energy generation record in June

On June 2, the source reached an average daily value of 5.444 MWmed
  • Marco 16, 2023

CMSE estimates record energy capacity expansion in 2023

Growth in generation supply will be mainly due to the increase in wind and solar sources in the SIN
  • News

CMSE estimates record energy capacity expansion in 2023

Growth in generation supply will be mainly due to the increase in wind and solar sources in the SIN
  • February 28, 2022

Costs for energy generation decrease

CMSE points out that hydroelectric reservoirs showed improvement
  • News

Costs for energy generation decrease

CMSE points out that hydroelectric reservoirs showed improvement

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